Home / 27,971.16-38,602.08-15,396.72

Finding the Fourth Proportional to 27,971.16, 38,602.08 and 15,396.72

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Solution

The fourth proportional to 27,971.16, 38,602.08 and 15,396.72 is: 21,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.16 : 38,602.08 = 15,396.72 : x
  2. Step 2: Convert to fraction form
    27,971.16/38,602.08 = 15,396.72/x
  3. Step 3: Cross multiply
    27,971.16x = 38,602.08 × 15,396.72
  4. Step 4: Simplify right side
    27,971.16x = 594,345,417.18
  5. Step 5: Solve for x
    x = 594,345,417.18/27,971.16
  6. Step 6: Final answer
    x = 21,248.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.